Earth science · 3 lessons · 5 quick hits

Air, weather and convection

Why warm air really rises, how a cloud forms in a bottle, and the lake that suffocated a valley.

  1. Lesson 13:33A better way to understand CONVECTION CURRENTS.Do hot things always rise? Nope. Learn about a better way to understand convection currents.
  2. Lesson 23:28How to make clouds (and make them flammable)This experiment looks at how clouds are made and if its possible to make a cloud flammable!
  3. Lesson 36:13Lake Nyos tragically killed 1,746 villagers.*A "better explanation of convection currents." I always thought convection currents happened because "hot things rise..." BUT that is not true! Check it out.

Quick hits

Under a minute each. Good for a "watch this" before dinner.